| Duarte to Cloverleaf (Texas) | 1,365.68 mi (2,197.84 km) |
| Duarte to Cloverly (Maryland) | 2,276.67 mi (3,663.95 km) |
| Duarte to Clovis (California) | 208.44 mi (335.45 km) |
| Duarte to Clovis (New Mexico) | 841.84 mi (1,354.81 km) |
| Duarte to Clute (Texas) | 1,370.69 mi (2,205.92 km) |
| Duarte to Coachella (California) | 108.60 mi (174.77 km) |
| Duarte to Coalinga (California) | 191.61 mi (308.36 km) |
| Duarte to Coamo (Puerto Rico) | 3,349.10 mi (5,389.85 km) |
| Duarte to Coatesville (Pennsylvania) | 2,335.09 mi (3,757.96 km) |
| Duarte to Cockeysville (Maryland) | 2,294.52 mi (3,692.67 km) |
| Duarte to Cocoa (Florida) | 2,219.38 mi (3,571.74 km) |
| Duarte to Cocoa Beach (Florida) | 2,228.55 mi (3,586.50 km) |
| Duarte to Coconut Creek (Florida) | 2,305.67 mi (3,710.62 km) |
| Duarte to Coeur d'Alene (Idaho) | 937.65 mi (1,509.00 km) |
| Duarte to Cohoes (New York) | 2,436.78 mi (3,921.61 km) |
